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    Finding the Volume of a Balloon

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    A helium balloon with a volume of 2.4 L contains 0.10 moles of gas at 25 degrees C and 1 atm of pressure. The balloon leaks 0.02 moles of gas until someone manages to seal the hole. What is the new volume of the balloon?

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    Solution Preview

    The ideal gas law is PV=nRT.

    We know:

    P = 1 atm
    V = 2.4 L
    n = 0.10 mol
    T = 25 C = 298 K

    If you use the gas constant, R = 0.08208 ...

    Solution Summary

    This solution involves calculating the volume of a balloon.